Applications-(1) a Items= products Baskets = sets of products someone bought in one trip to the store a Real market baskets: Chain stores keep TBs of data about what customers buy together o Tells how typical customers navigate stores, let them position tempting items Suggests tie-in tricks", e.g., run sale on diapers and raise the price of beer Need the rule to occur frequently a Amazon's people who bought X also bought YApplications – (1) 4 ◼ Items = products; Baskets = sets of products someone bought in one trip to the store ◼ Real market baskets: Chain stores keep TBs of data about what customers buy together ◆ Tells how typical customers navigate stores, let them position tempting items ◆ Suggests tie-in “tricks”, e.g., run sale on diapers and raise the price of beer ◆ Need the rule to occur frequently ◼ Amazon’s people who bought X also bought Y